diff --git a/ch02/ex2-4.md b/ch02/ex2-4.md
index e0c21ad..5a65593 100644
--- a/ch02/ex2-4.md
+++ b/ch02/ex2-4.md
@@ -3,7 +3,14 @@
 ## Example
 
 ```dart
-String demoStringValue  = 'I am a string';
+void main()
+String myVariable  = "I am a string";
+
+String myVariable2 = """ 
+ I am a multiline
+ string
+ """;
+ }
 
 ```